What is impulse in terms of collision?

Impulse is the change in momentum of an object due to a collision.

When two objects collide, they exert equal and opposite forces on each other for a short period of time. This force causes a change in momentum of both objects. The product of the force and the time for which it acts is called impulse. Mathematically, impulse can be expressed as:

Impulse = Force x Time

In a collision, the impulse experienced by an object is equal to the change in momentum of that object. This can be expressed as:

Impulse = Change in Momentum

If the mass of an object is constant, then the change in momentum can be calculated using the formula:

Change in Momentum = Mass x Change in Velocity

Therefore, the impulse experienced by an object can also be expressed as:

Impulse = Mass x Change in Velocity

Impulse is a vector quantity, meaning it has both magnitude and direction. The direction of impulse is the same as the direction of the force that caused it. In a collision, the impulse experienced by one object is equal and opposite to the impulse experienced by the other object. This is known as the law of conservation of momentum.